Jasper, Iowa — Presidential Election Results
Jasper, Iowa has voted Republican in 4 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2016. In 2024, it was 14.6 pts more Rep. than Iowa overall.
Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing | Vs. Iowa |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 8,729 | 48.9% | 0.2 pts (30 votes) | 17,835 | — | 0.5 pts more Rep. |
| 2004 | John Kerry | Democratic | 10,430 | 52.0% | 4.8 pts (968 votes) | 20,062 | +5.0 pts | 5.5 pts more Dem. |
| 2008 | Barack Obama | Democratic | 10,250 | 52.8% | 7.5 pts (1,456 votes) | 19,421 | +2.8 pts | 2.1 pts more Rep. |
| 2012 | Barack Obama | Democratic | 10,257 | 52.6% | 7.1 pts (1,380 votes) | 19,515 | -0.4 pts | 1.3 pts more Dem. |
| 2016 | Donald Trump | Republican | 10,560 | 55.5% | 18.1 pts (3,451 votes) | 19,034 | -26.7 pts | 9.4 pts more Rep. |
| 2020 | Donald J Trump | Republican | 12,125 | 60.1% | 21.7 pts (4,388 votes) | 20,184 | -2.6 pts | 13.5 pts more Rep. |
| 2024 | Donald J Trump | Republican | 12,701 | 62.9% | 27.5 pts (5,560 votes) | 20,198 | -5.9 pts | 14.6 pts more Rep. |
Population Context
Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
| Year | County Population | Votes Cast (% of Population) |
|---|---|---|
| 2000 | 37,252 | 47.9% of population |
| 2004 | 37,645 | 53.3% of population |
| 2008 | 37,103 | 52.3% of population |
| 2012 | 36,574 | 53.4% of population |
| 2016 | 36,736 | 51.8% of population |
| 2020 | 37,818 | 53.4% of population |
| 2024 | 38,107 | 53.0% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Jasper shifted 27.8 points toward the Republican candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.
Bellwether Status
Jasper has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Iowa's own statewide winner in 5 of 7 (71%). Compare every county on the bellwether counties page.
Related Pages
Other Iowa Counties
Frequently Asked Questions
How has Jasper voted in presidential elections since 2000?
Since 2000, Jasper has voted Democratic in 3 of 7 recorded presidential elections and Republican in 4 of 7, based on county-level returns through 2024.
What was the closest presidential election in Jasper?
Jasper's closest recorded margin was in 2000, when George W. Bush (Republican) won by 0.2 points (30 votes) out of 17,835 total votes cast.
Has Jasper ever flipped between parties?
Yes. Jasper changed which party won the county in: 2004, 2016, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Jasper?
The widest margin on record for Jasper was in 2024, when Donald J Trump (Republican) won by 28.0 points.
How many votes were cast in Jasper relative to its population?
In 2024, 20,198 votes were recorded in Jasper against a total population of 38,107 (53.0% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
Is Jasper a presidential bellwether county?
Jasper has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Iowa's own statewide winner in 5 of 7 (71%).